amt said:There are not many finishes that will stay on Ipe. I would suggest starting with the penetrating oil like Waterlox first.
Walk On Wood said:I've worked with Ipe a bunch. This is an outside deck, correct? Exposed to the elements? I would recommend Sikkens penetrating finish. (I forget the name of the actual product, i believe it is Sikkens followed by 3 letters)